The specific speed (Ns) of a centrifugal pump is given by
A. $$\frac{{{\text{N}}\sqrt {\text{Q}} }}{{{{\text{H}}^{\frac{2}{3}}}}}$$
B. $$\frac{{{\text{N}}\sqrt {\text{Q}} }}{{{{\text{H}}^{\frac{3}{4}}}}}$$
C. $$\frac{{{\text{N}}\sqrt {\text{Q}} }}{{\text{H}}}$$
D. $$\frac{{{\text{N}}\sqrt {\text{Q}} }}{{{{\text{H}}^{\frac{5}{4}}}}}$$
Answer: Option B

B